150 Chapter 6 SUPPLEMENTARY MATERIAL Supplementary Table 1. Regression model B (standard error) Beta (t value) p-value APAIS total 0.205 (0.135) 0.228 (1.523) 0.136 Expect distraction 2.704 (0.973) 0.572 (2.778) 0.009 Expect pain reduction -0.330 (0.789) -0.065 (-0.418) 0.678 Expect no effect 1.056 (1.272) 0.162 (0.830) 0.412 Experience with VR 0.211 (0.546) 0.053 (0.387) 0.701 Semm cup -0.033 (0.982) -0.008 (-0.033) 0.974 Schultze 0.950 (1.576) 0.194 (0.603) 0.550 Ballooncatheter 0.585 (1.055) 0.124 (0.555) 0.582 Tenaculum 2.096 (1.373) 0.469 (1.526) 0.135 Type of contrast 0.534 (0.833) 0.095 (0.641) 0.525 Randomization group 0.673 (0.578) 0.170 (1.165) 0.252 Supplementary Table 2. Side effects Side effects during HSG (mean, SD) Intervention n=68 Control n=64 p-value Nausea 1.6 (1.08) 1.7 (1.18) 0.422 Dizziness 1.6 (0.98) 1.7 (1.08) 0.583 Headache 1.1 (0.57) 1.2 (0.48) 0.482 Blurred vision 1.3 (0.84) 1.2 (0.41) 0.489 Removal of VR headset 7 N/A
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